<div class="row logins">
    <form class="col-md-4 col-xs-12"  method="post" action="/login">
        <h3>blog</h3>
        <div class="form-group">
            <label>用户名</label><input type="text" class="form-control"   name="username" />
        </div>
        <div class="form-group">
            <label>密码</label><input type="password" class="form-control" name="password"  />
        </div>
        <label>注册</label>
        <input type="submit" class="btn" value="登录"/>
    </form>
</div>
<div class="row enroll">
    <form class="col-md-4 col-xs-12" method="post" action="/register">
         <h3>注册</h3>
        <div class="form-group">
            <label>用户名</label><input name="username" type="text" class="form-control" />
        </div>
        <div class="form-group">
            <label>密码</label><input  name="password" type="password" class="form-control" />
        </div>
        <input type="submit" class="btn" value="注册"/>
    </form>
</div>